package pascal.servlet.categoria;

import java.io.IOException;
import java.util.Collection;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import pascal.excepcion.DAOExcepcion;
import pascal.modelo.Categoria;
import pascal.negocio.GestionCategoria;

/**
 * Servlet implementation class CategoriaNuevoServlet
 */
@WebServlet("/CategoriaNuevoServlet")
public class CategoriaNuevoServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public CategoriaNuevoServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		this.doPost(request, response);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub

		GestionCategoria negocio = new GestionCategoria();
		try {
		
			Collection<Categoria> listaPadre = negocio.listarPadre();
			
			// Guardar en el ambiente de request
			request.setAttribute("CATEGORIAS_PADRE", listaPadre);
			
			RequestDispatcher rd = request.getRequestDispatcher("/RegistroDeCategoria.jsp");
			rd.forward(request, response);

		} catch (DAOExcepcion e) {
			System.out.println(e.getMessage());
			RequestDispatcher rd = request.getRequestDispatcher("error.jsp");
			rd.forward(request, response);
		}
	}

}
